IE61393B1 - Cyclobutenediones useful as intermediates - Google Patents
Cyclobutenediones useful as intermediatesInfo
- Publication number
- IE61393B1 IE61393B1 IE145988A IE145988A IE61393B1 IE 61393 B1 IE61393 B1 IE 61393B1 IE 145988 A IE145988 A IE 145988A IE 145988 A IE145988 A IE 145988A IE 61393 B1 IE61393 B1 IE 61393B1
- Authority
- IE
- Ireland
- Prior art keywords
- compound
- formula
- lower alkyl
- hydrogen
- dione
- Prior art date
Links
- 239000000543 intermediate Substances 0.000 title abstract description 8
- RGBVWCQARBEPPW-UHFFFAOYSA-N cyclobut-3-ene-1,2-dione Chemical class O=C1C=CC1=O RGBVWCQARBEPPW-UHFFFAOYSA-N 0.000 title 1
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 19
- 239000001257 hydrogen Substances 0.000 claims abstract description 13
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 13
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims abstract description 7
- 150000001875 compounds Chemical class 0.000 claims description 58
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims description 25
- 239000002904 solvent Substances 0.000 claims description 14
- 235000019253 formic acid Nutrition 0.000 claims description 13
- -1 methy lpyrrolidino Chemical group 0.000 claims description 13
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 claims description 12
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 9
- 229910052757 nitrogen Inorganic materials 0.000 claims description 7
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 6
- 125000000951 phenoxy group Chemical group [H]C1=C([H])C([H])=C(O*)C([H])=C1[H] 0.000 claims description 6
- 231100000252 nontoxic Toxicity 0.000 claims description 5
- 230000003000 nontoxic effect Effects 0.000 claims description 5
- 125000006308 propyl amino group Chemical group 0.000 claims description 5
- 150000003839 salts Chemical class 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 3
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims description 3
- 125000000587 piperidin-1-yl group Chemical group [H]C1([H])N(*)C([H])([H])C([H])([H])C([H])([H])C1([H])[H] 0.000 claims description 3
- 239000003638 chemical reducing agent Substances 0.000 claims description 2
- 125000002112 pyrrolidino group Chemical group [*]N1C([H])([H])C([H])([H])C([H])([H])C1([H])[H] 0.000 claims 2
- 101710178035 Chorismate synthase 2 Proteins 0.000 claims 1
- 101710152694 Cysteine synthase 2 Proteins 0.000 claims 1
- 101100182721 Mus musculus Ly6e gene Proteins 0.000 claims 1
- 125000001841 imino group Chemical group [H]N=* 0.000 claims 1
- HWYHDWGGACRVEH-UHFFFAOYSA-N n-methyl-n-(4-pyrrolidin-1-ylbut-2-ynyl)acetamide Chemical compound CC(=O)N(C)CC#CCN1CCCC1 HWYHDWGGACRVEH-UHFFFAOYSA-N 0.000 claims 1
- 238000002360 preparation method Methods 0.000 abstract description 9
- 239000003485 histamine H2 receptor antagonist Substances 0.000 abstract description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 32
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 27
- 239000000203 mixture Substances 0.000 description 22
- 238000006243 chemical reaction Methods 0.000 description 17
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 15
- NTYJJOPFIAHURM-UHFFFAOYSA-N Histamine Chemical compound NCCC1=CN=CN1 NTYJJOPFIAHURM-UHFFFAOYSA-N 0.000 description 12
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 12
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 12
- 235000019441 ethanol Nutrition 0.000 description 11
- 238000010992 reflux Methods 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 9
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 9
- 230000002829 reductive effect Effects 0.000 description 9
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 8
- 239000007787 solid Substances 0.000 description 8
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 6
- 239000000706 filtrate Substances 0.000 description 6
- 229960001340 histamine Drugs 0.000 description 6
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 6
- 239000005557 antagonist Substances 0.000 description 5
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 5
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 5
- IAVREABSGIHHMO-UHFFFAOYSA-N 3-hydroxybenzaldehyde Chemical compound OC1=CC=CC(C=O)=C1 IAVREABSGIHHMO-UHFFFAOYSA-N 0.000 description 4
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
- NQRYJNQNLNOLGT-UHFFFAOYSA-N Piperidine Chemical compound C1CCNCC1 NQRYJNQNLNOLGT-UHFFFAOYSA-N 0.000 description 4
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 4
- 150000001299 aldehydes Chemical class 0.000 description 4
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- XKJCHHZQLQNZHY-UHFFFAOYSA-N phthalimide Chemical compound C1=CC=C2C(=O)NC(=O)C2=C1 XKJCHHZQLQNZHY-UHFFFAOYSA-N 0.000 description 4
- 229910000027 potassium carbonate Inorganic materials 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- WGYKZJWCGVVSQN-UHFFFAOYSA-N propylamine Chemical compound CCCN WGYKZJWCGVVSQN-UHFFFAOYSA-N 0.000 description 4
- 239000011541 reaction mixture Substances 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- FYSNRJHAOHDILO-UHFFFAOYSA-N thionyl chloride Chemical compound ClS(Cl)=O FYSNRJHAOHDILO-UHFFFAOYSA-N 0.000 description 4
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 239000005457 ice water Substances 0.000 description 3
- 239000012074 organic phase Substances 0.000 description 3
- 238000001953 recrystallisation Methods 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- PWEBUXCTKOWPCW-UHFFFAOYSA-N squaric acid Chemical compound OC1=C(O)C(=O)C1=O PWEBUXCTKOWPCW-UHFFFAOYSA-N 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- NWZSZGALRFJKBT-KNIFDHDWSA-N (2s)-2,6-diaminohexanoic acid;(2s)-2-hydroxybutanedioic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O.NCCCC[C@H](N)C(O)=O NWZSZGALRFJKBT-KNIFDHDWSA-N 0.000 description 2
- OISVCGZHLKNMSJ-UHFFFAOYSA-N 2,6-dimethylpyridine Chemical compound CC1=CC=CC(C)=N1 OISVCGZHLKNMSJ-UHFFFAOYSA-N 0.000 description 2
- YYROPELSRYBVMQ-UHFFFAOYSA-N 4-toluenesulfonyl chloride Chemical compound CC1=CC=C(S(Cl)(=O)=O)C=C1 YYROPELSRYBVMQ-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- 239000005909 Kieselgur Substances 0.000 description 2
- 208000008469 Peptic Ulcer Diseases 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 125000002777 acetyl group Chemical class [H]C([H])([H])C(*)=O 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 239000000908 ammonium hydroxide Substances 0.000 description 2
- 239000000739 antihistaminic agent Substances 0.000 description 2
- 125000004429 atom Chemical group 0.000 description 2
- 239000012065 filter cake Substances 0.000 description 2
- 230000002140 halogenating effect Effects 0.000 description 2
- IKDUDTNKRLTJSI-UHFFFAOYSA-N hydrazine monohydrate Substances O.NN IKDUDTNKRLTJSI-UHFFFAOYSA-N 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 150000007529 inorganic bases Chemical class 0.000 description 2
- 125000001971 neopentyl group Chemical group [H]C([*])([H])C(C([H])([H])[H])(C([H])([H])[H])C([H])([H])[H] 0.000 description 2
- 238000005580 one pot reaction Methods 0.000 description 2
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 2
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 2
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 2
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 2
- 150000003335 secondary amines Chemical class 0.000 description 2
- 150000003512 tertiary amines Chemical class 0.000 description 2
- XINQFOMFQFGGCQ-UHFFFAOYSA-L (2-dodecoxy-2-oxoethyl)-[6-[(2-dodecoxy-2-oxoethyl)-dimethylazaniumyl]hexyl]-dimethylazanium;dichloride Chemical compound [Cl-].[Cl-].CCCCCCCCCCCCOC(=O)C[N+](C)(C)CCCCCC[N+](C)(C)CC(=O)OCCCCCCCCCCCC XINQFOMFQFGGCQ-UHFFFAOYSA-L 0.000 description 1
- KORMWDWAMSITGR-UHFFFAOYSA-N 3-amino-4-butoxycyclobut-3-ene-1,2-dione Chemical compound CCCCOC1=C(N)C(=O)C1=O KORMWDWAMSITGR-UHFFFAOYSA-N 0.000 description 1
- OQMOVLOOIDNTQX-UHFFFAOYSA-N 4-(3-bromopropyl)isoindole-1,3-dione Chemical compound BrCCCC1=CC=CC2=C1C(=O)NC2=O OQMOVLOOIDNTQX-UHFFFAOYSA-N 0.000 description 1
- JXRGUPLJCCDGKG-UHFFFAOYSA-N 4-nitrobenzenesulfonyl chloride Chemical compound [O-][N+](=O)C1=CC=C(S(Cl)(=O)=O)C=C1 JXRGUPLJCCDGKG-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229940122236 Histamine receptor antagonist Drugs 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 238000005684 Liebig rearrangement reaction Methods 0.000 description 1
- 239000012359 Methanesulfonyl chloride Substances 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium on carbon Substances [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 1
- DHKHKXVYLBGOIT-UHFFFAOYSA-N acetaldehyde Diethyl Acetal Natural products CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 description 1
- 238000005903 acid hydrolysis reaction Methods 0.000 description 1
- 150000003973 alkyl amines Chemical class 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 235000019270 ammonium chloride Nutrition 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 238000010533 azeotropic distillation Methods 0.000 description 1
- CSKNSYBAZOQPLR-UHFFFAOYSA-N benzenesulfonyl chloride Chemical compound ClS(=O)(=O)C1=CC=CC=C1 CSKNSYBAZOQPLR-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 125000004106 butoxy group Chemical group [*]OC([H])([H])C([H])([H])C(C([H])([H])[H])([H])[H] 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 238000009903 catalytic hydrogenation reaction Methods 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- CFBGXYDUODCMNS-UHFFFAOYSA-N cyclobutene Chemical compound C1CC=C1 CFBGXYDUODCMNS-UHFFFAOYSA-N 0.000 description 1
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 1
- HPYNZHMRTTWQTB-UHFFFAOYSA-N dimethylpyridine Natural products CC1=CC=CN=C1C HPYNZHMRTTWQTB-UHFFFAOYSA-N 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000002496 gastric effect Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 229910052987 metal hydride Inorganic materials 0.000 description 1
- 150000004681 metal hydrides Chemical class 0.000 description 1
- QARBMVPHQWIHKH-UHFFFAOYSA-N methanesulfonyl chloride Chemical compound CS(Cl)(=O)=O QARBMVPHQWIHKH-UHFFFAOYSA-N 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 125000006606 n-butoxy group Chemical group 0.000 description 1
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- SNMVRZFUUCLYTO-UHFFFAOYSA-N n-propyl chloride Chemical compound CCCCl SNMVRZFUUCLYTO-UHFFFAOYSA-N 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 229940044551 receptor antagonist Drugs 0.000 description 1
- 239000002464 receptor antagonist Substances 0.000 description 1
- 238000006268 reductive amination reaction Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- XBRWELTXMQSEIN-UHFFFAOYSA-N squaric acid dibutyl ester Chemical compound CCCCOC1=C(OCCCC)C(=O)C1=O XBRWELTXMQSEIN-UHFFFAOYSA-N 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- YBBRCQOCSYXUOC-UHFFFAOYSA-N sulfuryl dichloride Chemical compound ClS(Cl)(=O)=O YBBRCQOCSYXUOC-UHFFFAOYSA-N 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- JRMUNVKIHCOMHV-UHFFFAOYSA-M tetrabutylammonium bromide Chemical compound [Br-].CCCC[N+](CCCC)(CCCC)CCCC JRMUNVKIHCOMHV-UHFFFAOYSA-M 0.000 description 1
- HFRXJVQOXRXOPP-UHFFFAOYSA-N thionyl bromide Chemical compound BrS(Br)=O HFRXJVQOXRXOPP-UHFFFAOYSA-N 0.000 description 1
- GKASDNZWUGIAMG-UHFFFAOYSA-N triethyl orthoformate Chemical compound CCOC(OCC)OCC GKASDNZWUGIAMG-UHFFFAOYSA-N 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D295/00—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms
- C07D295/04—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms
- C07D295/08—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by singly bound oxygen or sulfur atoms
- C07D295/096—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by singly bound oxygen or sulfur atoms with the ring nitrogen atoms and the oxygen or sulfur atoms separated by carbocyclic rings or by carbon chains interrupted by carbocyclic rings
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P43/00—Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C225/00—Compounds containing amino groups and doubly—bound oxygen atoms bound to the same carbon skeleton, at least one of the doubly—bound oxygen atoms not being part of a —CHO group, e.g. amino ketones
- C07C225/20—Compounds containing amino groups and doubly—bound oxygen atoms bound to the same carbon skeleton, at least one of the doubly—bound oxygen atoms not being part of a —CHO group, e.g. amino ketones having amino groups bound to carbon atoms of rings other than six-membered aromatic rings of the carbon skeleton
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D317/00—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms
- C07D317/08—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3
- C07D317/10—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 not condensed with other rings
- C07D317/14—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 not condensed with other rings with substituted hydrocarbon radicals attached to ring carbon atoms
- C07D317/18—Radicals substituted by singly bound oxygen or sulfur atoms
- C07D317/22—Radicals substituted by singly bound oxygen or sulfur atoms etherified
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2601/00—Systems containing only non-condensed rings
- C07C2601/04—Systems containing only non-condensed rings with a four-membered ring
Landscapes
- Organic Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Pharmacology & Pharmacy (AREA)
- Engineering & Computer Science (AREA)
- Animal Behavior & Ethology (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Hydrogenated Pyridines (AREA)
- Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
- Plural Heterocyclic Compounds (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IE922552A IE61492B1 (en) | 1987-05-14 | 1988-05-13 | Cyclobutene compound |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US5045987A | 1987-05-14 | 1987-05-14 | |
US07/174,444 US4927968A (en) | 1987-05-14 | 1988-04-11 | Chemical intermediates and process |
Publications (2)
Publication Number | Publication Date |
---|---|
IE881459L IE881459L (en) | 1988-11-14 |
IE61393B1 true IE61393B1 (en) | 1994-11-02 |
Family
ID=26728293
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IE145988A IE61393B1 (en) | 1987-05-14 | 1988-05-13 | Cyclobutenediones useful as intermediates |
Country Status (16)
Country | Link |
---|---|
US (1) | US4927968A (xx) |
JP (2) | JPS6419050A (xx) |
AT (1) | AT395973B (xx) |
BE (1) | BE1002037A3 (xx) |
CH (1) | CH674983A5 (xx) |
CY (2) | CY1818A (xx) |
DE (1) | DE3816634A1 (xx) |
ES (1) | ES2009275A6 (xx) |
FR (2) | FR2621915B1 (xx) |
GB (2) | GB2204584B (xx) |
GR (1) | GR1000504B (xx) |
HK (2) | HK23395A (xx) |
IE (1) | IE61393B1 (xx) |
IT (1) | IT1217599B (xx) |
NL (1) | NL8801240A (xx) |
SE (2) | SE8801798L (xx) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2241235B (en) * | 1987-05-14 | 1992-01-29 | Bristol Myers Co | Cyclobutene compound |
US4988828A (en) * | 1987-11-27 | 1991-01-29 | Fujirebio Kabushiki Kaisha | Phenoxypropyl derivatives |
JPH03206068A (ja) * | 1990-01-06 | 1991-09-09 | Ikeda Mohandou:Kk | シクロブテン―1,2―ジオン誘導体 |
KR100200115B1 (ko) * | 1994-04-25 | 1999-06-15 | 정몽규 | 실린더 헤드의 연소실 구조 |
JP2005264951A (ja) * | 2005-05-09 | 2005-09-29 | Tatsuto Noda | 加速ポンプジェット |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1518660A1 (de) * | 1965-07-09 | 1969-08-14 | Huels Chemische Werke Ag | Verfahren zur Herstellung aminosubstituierter Dioxocyclobutene |
GB1563090A (en) * | 1975-07-31 | 1980-03-19 | Smith Kline French Lab | Cyclobutene-diones |
GB2023133B (en) * | 1978-04-26 | 1982-09-08 | Glaxo Group Ltd | Heterocyclic derivatives |
US4526973A (en) * | 1981-05-18 | 1985-07-02 | Bristol-Myers Company | Chemical compounds |
US4522943A (en) * | 1981-05-18 | 1985-06-11 | Bristol-Myers Company | Chemical compounds |
US4395553A (en) * | 1981-05-18 | 1983-07-26 | Bristol-Myers Company | Chemical compounds |
US4390701A (en) * | 1981-05-18 | 1983-06-28 | Bristol-Myers Company | 1-Amino-2-[3-(3-piperidinomethylphenoxy)propylamino]cyclobutene-3,4-dione |
US4466970A (en) * | 1982-10-02 | 1984-08-21 | Smith Kline & French Laboratories Limited | Dioxocyclobutene compounds |
-
1988
- 1988-04-11 US US07/174,444 patent/US4927968A/en not_active Expired - Fee Related
- 1988-05-11 BE BE8800526A patent/BE1002037A3/fr not_active Expired - Fee Related
- 1988-05-11 NL NL8801240A patent/NL8801240A/nl not_active Application Discontinuation
- 1988-05-11 SE SE8801798A patent/SE8801798L/xx not_active Application Discontinuation
- 1988-05-12 GR GR880100311A patent/GR1000504B/el unknown
- 1988-05-13 ES ES8801507A patent/ES2009275A6/es not_active Expired
- 1988-05-13 AT AT0125688A patent/AT395973B/de not_active IP Right Cessation
- 1988-05-13 CH CH1817/88A patent/CH674983A5/de not_active IP Right Cessation
- 1988-05-13 GB GB8811456A patent/GB2204584B/en not_active Expired - Fee Related
- 1988-05-13 IT IT20584/88A patent/IT1217599B/it active
- 1988-05-13 JP JP63114984A patent/JPS6419050A/ja active Granted
- 1988-05-13 IE IE145988A patent/IE61393B1/en not_active IP Right Cessation
- 1988-05-13 FR FR888806479A patent/FR2621915B1/fr not_active Expired - Fee Related
- 1988-05-16 DE DE3816634A patent/DE3816634A1/de not_active Withdrawn
- 1988-10-20 FR FR888813779A patent/FR2628738B1/fr not_active Expired - Fee Related
-
1990
- 1990-11-28 GB GB909025856A patent/GB9025856D0/en active Pending
-
1992
- 1992-09-02 JP JP4274763A patent/JPH0660135B2/ja not_active Expired - Lifetime
-
1993
- 1993-02-11 SE SE9300455A patent/SE9300455A0/sv not_active Application Discontinuation
-
1995
- 1995-02-23 HK HK23395A patent/HK23395A/xx unknown
- 1995-02-23 HK HK23495A patent/HK23495A/xx unknown
- 1995-10-20 CY CY181895A patent/CY1818A/xx unknown
- 1995-10-20 CY CY181995A patent/CY1819A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
CY1818A (en) | 1995-10-20 |
FR2628738A1 (fr) | 1989-09-22 |
AT395973B (de) | 1993-04-26 |
GR1000504B (el) | 1992-07-30 |
DE3816634A1 (de) | 1988-11-24 |
GB2204584A (en) | 1988-11-16 |
SE9300455D0 (sv) | 1993-02-11 |
JPS6419050A (en) | 1989-01-23 |
CH674983A5 (xx) | 1990-08-15 |
GB8811456D0 (en) | 1988-06-15 |
NL8801240A (nl) | 1988-12-01 |
SE9300455A0 (sv) | 1993-02-11 |
GB2204584B (en) | 1992-01-29 |
ATA125688A (de) | 1992-09-15 |
HK23495A (en) | 1995-03-03 |
HK23395A (en) | 1995-03-03 |
CY1819A (en) | 1995-10-20 |
US4927968A (en) | 1990-05-22 |
GB9025856D0 (en) | 1991-01-09 |
JPH0512337B2 (xx) | 1993-02-17 |
FR2621915A1 (fr) | 1989-04-21 |
SE8801798D0 (sv) | 1988-05-11 |
FR2628738B1 (fr) | 1991-11-29 |
BE1002037A3 (fr) | 1990-05-29 |
JPH05238998A (ja) | 1993-09-17 |
IE881459L (en) | 1988-11-14 |
JPH0660135B2 (ja) | 1994-08-10 |
SE8801798L (sv) | 1988-11-15 |
GR880100311A (en) | 1989-02-23 |
IT1217599B (it) | 1990-03-30 |
FR2621915B1 (fr) | 1990-11-16 |
IT8820584A0 (it) | 1988-05-13 |
ES2009275A6 (es) | 1989-09-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM4A | Patent lapsed |